function changeimg(obj) {
	var pattern = /frame_change\.gif/;	
	if(obj.src.match(pattern))
		obj.src="../images/zhibiaoguanli/frame_change1.gif";
	else obj.src="../images/zhibiaoguanli/frame_change.gif";
	if (window.parent.Contenttop.cols=='196,*')
	window.parent.Contenttop.cols='0,*'
	else if (window.parent.Contenttop.cols=='0,*')
	window.parent.Contenttop.cols='196,*'
}
// JavaScript Document


